Home / 289,322,213.25-399,264,809.81-158,950,419.33

Finding the Fourth Proportional to 289,322,213.25, 399,264,809.81 and 158,950,419.33

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Solution

The fourth proportional to 289,322,213.25, 399,264,809.81 and 158,950,419.33 is: 219,351,664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,322,213.25 : 399,264,809.81 = 158,950,419.33 : x
  2. Step 2: Convert to fraction form
    289,322,213.25/399,264,809.81 = 158,950,419.33/x
  3. Step 3: Cross multiply
    289,322,213.25x = 399,264,809.81 × 158,950,419.33
  4. Step 4: Simplify right side
    289,322,213.25x = 63,463,308,942,217,448
  5. Step 5: Solve for x
    x = 63,463,308,942,217,448/289,322,213.25
  6. Step 6: Final answer
    x = 219,351,664.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.